HTML5---canvas | 地理定位

1、canvas繪圖javascript 1.向html5頁面添加canvas元素html <canvas id="canvas"></canvas> 2.設置畫布大小html5 let canvas= document.getElementById("canvas"); //設置canvas 畫布大小 canvas.width=800; canvas.height=800; 3.建立一個2d對

>>阅读原文<<